- Compatible across the range of hole saws
- Various shank sizes 3/8 in or 1/2 drills
- Short pilot drills and arbors require a 3-1/16 in pilot bit
- Long pilot drills and arbors have a pass through shank
- Hex arbors with non-slit jaw slots are positive drive
- SDS arbors are used in tools having SDS chucks, to drive hole in rotary hammers or hammer drills
- Standard pilot arbor
